公开(公告)号：US12166160B2

公开(公告)日：2024-12-10

申请号：US17528745

申请日：2021-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Jin Won Baek ,  Lae Ho Kim ,  Sang Woong Baek ,  Young Geun Cho ,  Chung Sic Choi

IPC: H01L21/00 ,  H01L25/16 ,  H01L33/00 ,  H01L33/62

Abstract: An apparatus for manufacturing a display device includes a stage, a first electric field applying module including first probe pins and disposed on a first side of the stage, a light irradiation module including light-emitting elements and disposed on the stage, and a first voltage output module that outputs an emission driving signal that drives the light-emitting elements, outputs a first alignment signal to one of the first probe pins, and outputs a second alignment signal to another one of the first probe pins.

公开(公告)号：US11728196B2

公开(公告)日：2023-08-15

申请号：US17191018

申请日：2021-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ho Lee ,  Buem Joon Kim ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Chung Sic Choi

IPC: H01L21/68 ,  H01L21/67 ,  H01L23/00 ,  B41J2/095 ,  H01L25/075

CPC classification number: H01L21/68 ,  H01L21/6715 ,  H01L24/75 ,  H01L25/0753 ,  B41J2/095 ,  H01L2224/759 ,  H01L2224/75251 ,  H01L2224/75252 ,  H01L2224/75283 ,  H01L2224/75501 ,  H01L2224/75655 ,  H01L2224/75701 ,  H01L2924/12041

Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.